Ever heard of blurring, tightlining, multimasking or plopping? Don't worry if you have absolutely no clue.
The beauty world is always dreaming up new techniques and technology - it's almost impossible to keep up. Some of them are fly-by-nights and disappear as fast as they emerge, while others are evergreen.
To help you catch up on your beauty slang, we've picked not only the latest but also the greatest - you'd be surprised at how many have actually been around for a while.